Aoi practices archery and doesn't socialise much with the others. One day, thunder strikes his school, changing his life drastically. It appears that the entire school has travelled back in time to the Sengoku period.

Brave: Gunjyo Senki

When GUTS-Select investigate mysterious disappearances, they learn it is work of an evil alien who intends to invade the Earth, called Professor Gibellus. However, just in time, a mysterious woman appears to help GUTS-Select.